28 



Planorbis, Guettard. 



1849 corneus, Lin. 



a. albus. 



b. minor. 



1850 elophilus, Bourg. 



1851 I banaticus, Lang. 



1852 2 ammonoceras, West. 



1853 metidjensis, Forbes. 



1854 i dufouri, Graells. 



1855 umbilicatus, Mull. 



a. major, Br. 



b. submarginatus, Jan. 



c. albida, Jeff. 



1856 I subangulatus, Phil. 



1857 2 rhombea, Turton. 



monst. turriculata. 



1858 atticus, Bourg. 



1859 carinatus, Mull. 



1860 I dubius, Hartm. 



1861 vortex, Lin. 



1862 I discus, Parr. 



1863 vorticulus, Troschel. 



1864 charteus, Held. 



1865 I pauluccianus, Caroti. 



1866 spirorbis, Lin. 



1867 I hazayanus, Clessin. 



1868 leucostoma, Mell. 



a. septemgyratus, Dup. 



1869 contortus, Lin. 



a. labiatus, West. 



1870 dispar, West. 



1871 albus, Mull. 



1872 agraulus, Bourg. 



1873 piscinarum, Bourg. 



1874 polaris, West. 



1875 borealis, Lovdn. 



1876 rossmeessleri, Auersw. 



1877 glaber, Jeff. 



1878 tetragyrus, West. 



1879 limophilus, West. 



1880 lemniscatus, Hartm. 



1881 concinnus, West. 



1882 deformis, Hartm. 



1883 I cavatus, West. 



1884 crista, Lin. 



1885 nautileus, Lin. 



1886 complanatus, Lin. 



1887 riparius, West. 



1888 nitidus, Mull. 



1889 i clessini, West. 



Ancylus, Geoffrey. 



1890 gibbosus, Bourg. 



1891 fluviatilis, Mull. 



1892 I simplex, Bourg. 



1893 2 gibbosus, Bourg. 



1894 3 albidus, Jeff. 



1895 capuloides, Jan. 



1896 orbicularis, Held. 



1897 costulatus, Kiist. 



1898 i costatus, Fe"r. 



1899 2 strigatus, Parr. 



1900 pileolus, Fe"r. 



1901 lacustris, Lin. 



Fam. ILPhysidce. 

 Physa, Draparnaud. 



1902 fontinalis, Lin. 



a. albina, Jeff. 



1903 acuta, Drap. 



a. brevispirata, Paul. 



b. castanea, M. Tand. 



1904 I fusca, Rossm. 



1905 2 subopaca, Lamk. 



1906 hypnorum, Lin. 



1907 contorta, Mich. 



Order II. Prosobranchiata. 



Sub- Order LPectinibran- 

 chiata. 



1908 

 1909 

 1910 

 1911 

 1912 

 1913 

 1914 

 1914* 



Fam I. 

 Acme, Hartmann. 



polita, Hartm. 

 cryptomena, Folin. 

 foliniana, G. Nevill. 

 gracilis, Clessin. 

 lineata, Drap. 

 moussoni, Bttg. 

 spectabilis, Rossm. 

 stussineri, Bttg. 



Fam. ILCyclophoridce. 

 Cyclotus, Guilding. 



1915 sieversi, Pfr. 

 Pomatias, Studen. 



1916 lederi, Bttg. 



1917 scalarinus, Villa. 



